package io.zhengsh.juc._0volatile1;

public class VolatileTest {
    public static volatile int race = 0;

    public static void increase() {
        race++;
    }

    //private static final int THREADS_COUNT = 20;

    public static void main(String[] args) {
        increase();
//        Thread[] threads = new Thread[THREADS_COUNT];
//        for (int i = 0; i < THREADS_COUNT; i++) {
//            threads[i] = new Thread(new Runnable() {
//                @Override
//                public void run() {
//                    for (int i = 0; i < 10000; i++) {
//                        increase();
//                    }
//                }
//            });
//            threads[i].start();
//        }
//        //等待所有累加线程都结束
//        while (Thread.activeCount() > 1)
//            Thread.yield();
//        System.out.println(race);
    }
}